Reactivating memories during sleep: Memory rehearsal during sleep can make a big difference in remembering later

Why do some memories last a lifetime while others disappear quickly? A new study suggests that memories rehearsed, during sleep or waking, can have an impact on memory consolidation and on what is remembered later. A new study shows that when the information that makes up a memory has a high value, the memory is more likely to be rehearsed and consolidated during sleep and remembered later.View full story